CVE-2020-16846KEV · OVERDUE

SaltStack Salt Shell Injection Vulnerability

Critical · published November 6, 2020

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 99.9th percentile for exploit probability.

1635
days past CISA
deadline
CVSS v3.1
9.8
EPSS
100%
Percentile
99.9
In the wild
Confirmed
What it is

🚨 A crafted web request is all it takes to execute shell commands through the SaltStack Salt API! 🔥 Think of it like an unsuspecting food critic who can waltz into a kitchen and order any dish they want without a check — with shell injection, the attacker gains that level of access to your system's commands. An attacker could unleash absolute chaos by executing arbitrary commands on your server, potentially leading to data breaches, system modifications, or even a complete system takeover. This vulnerability is critical and poses an immediate risk to your infrastructure and data integrity!

Put simply

Think of it like an unsuspecting food critic who can waltz into a kitchen and order any dish they want without a check — with shell injection, the attacker gains that level of access to your system's commands. This vulnerability allows attackers to exploit the Salt API with crafted requests while the SSH client is enabled, leading to shell injection and unauthorized command execution.

What to do

An attacker could unleash absolute chaos by executing arbitrary commands on your server, potentially leading to data breaches, system modifications, or even a complete system takeover. This vulnerability is critical and poses an immediate risk to your infrastructure and data integrity! Immediate action is essential: update to the latest SaltStack version (at least 3003) to mitigate this risk. Additionally, review your API configurations to restrict access and prevent unauthorized requests. Don't let this one slide! You've got this! By taking these steps, you're one step closer to securing your systems! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.99585 · 99.9th percentile
Published
2020-11-06T07:27Z
KEV added
2021-11-03 · due 2022-05-03
EPSS history
Timeline
  • 03 NOV 00:00Z
    Added to CISA KEV — remediate by May 3
    kev
  • 06 NOV 07:27Z
    An issue was discovered in SaltStack Salt through 3002
    cvelistv5